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use std::ptr;
use chrono::{DateTime, NaiveDateTime, Utc};
use crate::{bindgen_prelude::*, check_status, sys, ValueType};
impl TypeName for DateTime<Utc> {
fn type_name() -> &'static str {
"DateTime"
}
fn value_type() -> ValueType {
ValueType::Object
}
}
impl ValidateNapiValue for DateTime<Utc> {
unsafe fn validate(env: sys::napi_env, napi_val: sys::napi_value) -> Result<sys::napi_value> {
let mut is_date = false;
check_status!(unsafe { sys::napi_is_date(env, napi_val, &mut is_date) })?;
if !is_date {
return Err(Error::new(
Status::InvalidArg,
"Expected a Date object".to_owned(),
));
}
Ok(ptr::null_mut())
}
}
impl ToNapiValue for DateTime<Utc> {
unsafe fn to_napi_value(env: sys::napi_env, val: DateTime<Utc>) -> Result<sys::napi_value> {
let mut ptr = std::ptr::null_mut();
let millis_since_epoch_utc = val.timestamp_millis() as f64;
check_status!(
unsafe { sys::napi_create_date(env, millis_since_epoch_utc, &mut ptr) },
"Failed to convert rust type `DateTime<Utc>` into napi value",
)?;
Ok(ptr)
}
}
impl FromNapiValue for DateTime<Utc> {
unsafe fn from_napi_value(env: sys::napi_env, napi_val: sys::napi_value) -> Result<Self> {
let mut milliseconds_since_epoch_utc = 0.0;
check_status!(
unsafe { sys::napi_get_date_value(env, napi_val, &mut milliseconds_since_epoch_utc) },
"Failed to convert napi value into rust type `DateTime<Utc>`",
)?;
let milliseconds_since_epoch_utc = milliseconds_since_epoch_utc as i64;
let timestamp_seconds = milliseconds_since_epoch_utc / 1_000;
let naive = NaiveDateTime::from_timestamp_opt(
timestamp_seconds,
(milliseconds_since_epoch_utc % 1_000 * 1_000_000) as u32,
)
.ok_or_else(|| Error::new(Status::DateExpected, "Found invalid date".to_owned()))?;
Ok(DateTime::<Utc>::from_utc(naive, Utc))
}
}